1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature
2 ; Example input for update_test_checks (taken from test/Transforms/InstSimplify/add.ll)
3 ; RUN: opt < %s -instsimplify -S | FileCheck %s
5 define i32 @common_sub_operand(i32 %X, i32 %Y) {
6 ; CHECK-LABEL: define {{[^@]+}}@common_sub_operand
7 ; CHECK-SAME: (i32 [[X:%.*]], i32 [[Y:%.*]]) {
8 ; CHECK-NEXT: ret i32 [[X]]
15 define i32 @negated_operand(i32 %x) {
16 ; CHECK-LABEL: define {{[^@]+}}@negated_operand
17 ; CHECK-SAME: (i32 [[X:%.*]]) {
18 ; CHECK-NEXT: ret i32 0
21 %r = add i32 %negx, %x
25 define <2 x i32> @negated_operand_commute_vec(<2 x i32> %x) {
26 ; CHECK-LABEL: define {{[^@]+}}@negated_operand_commute_vec
27 ; CHECK-SAME: (<2 x i32> [[X:%.*]]) {
28 ; CHECK-NEXT: ret <2 x i32> zeroinitializer
30 %negx = sub <2 x i32> zeroinitializer, %x
31 %r = add <2 x i32> %x, %negx
35 define i8 @knownnegation(i8 %x, i8 %y) {
36 ; CHECK-LABEL: define {{[^@]+}}@knownnegation
37 ; CHECK-SAME: (i8 [[X:%.*]], i8 [[Y:%.*]]) {
38 ; CHECK-NEXT: ret i8 0
46 define <2 x i8> @knownnegation_commute_vec(<2 x i8> %x, <2 x i8> %y) {
47 ; CHECK-LABEL: define {{[^@]+}}@knownnegation_commute_vec
48 ; CHECK-SAME: (<2 x i8> [[X:%.*]], <2 x i8> [[Y:%.*]]) {
49 ; CHECK-NEXT: ret <2 x i8> zeroinitializer
51 %xy = sub <2 x i8> %x, %y
52 %yx = sub <2 x i8> %y, %x
53 %r = add <2 x i8> %yx, %xy
57 define i32 @nameless_value(i32 %X) {
58 ; CHECK-LABEL: define {{[^@]+}}@nameless_value
59 ; CHECK-SAME: (i32 [[X:%.*]]) {
60 ; CHECK-NEXT: [[TMP1:%.*]] = sub i32 42, [[X]]
61 ; CHECK-NEXT: ret i32 [[TMP1]]